15676806820

素因数分解:

$2^2\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{396079}}^1$

素因数の和:398067

約数の個数: 24

約数和(自身を含む): 32938012800

約数和(自身を除く): 17261205980

約数列:

[1, 2, 4, 5, 10, 20, 1979, 3958, 7916, 9895, 19790, 39580, 396079, 792158, 1584316, 1980395, 3960790, 7921580, 783840341, 1567680682, 3135361364, 3919201705, 7838403410, 15676806820]

約数ペア:

[(1, 15676806820), (2, 7838403410), (4, 3919201705), (5, 3135361364), (10, 1567680682), (20, 783840341), (1979, 7921580), (3958, 3960790), (7916, 1980395), (9895, 1584316), (19790, 792158), (39580, 396079)]